[querystorage] add spec schema to use key_schema

src/jio.storage/querystorage.js

 /*jslint nomen: true*/
-/*global RSVP*/
-(function (jIO, RSVP) {
+/*global RSVP, jiodate*/
+(function (jIO, RSVP, jiodate) {
   "use strict";
 
+  function dateType(str) {
+    return jiodate.JIODate(new Date(str).toISOString());
+  }
+
+  function initKeySchema(storage, spec) {
+    var property;
+    for (property in spec.schema) {
+      if (spec.schema.hasOwnProperty(property)) {
+        if (spec.schema[property].type === "string" &&
+            spec.schema[property].format === "date-time") {
+          storage._key_schema.key_set[property] = {
+            read_from: property,
+            cast_to: "dateType"
+          };
+          if (storage._key_schema.cast_lookup.dateType === undefined) {
+            storage._key_schema.cast_lookup.dateType = dateType;
+          }
+        }
+      }
+    }
+  }
+
   /**
    * The jIO QueryStorage extension
    *
@@ -11,7 +33,8 @@
    */
   function QueryStorage(spec) {
     this._sub_storage = jIO.createJIO(spec.sub_storage);
-    this._key_schema = spec.key_schema;
+    this._key_schema = {key_set: {}, cast_lookup: {}};
+    initKeySchema(this, spec);
   }
 
   QueryStorage.prototype.get = function () {
@@ -211,4 +234,4 @@
 
   jIO.addStorage('query', QueryStorage);
 
-}(jIO, RSVP));
+}(jIO, RSVP, jiodate));

test/jio.storage/querystorage.tests.js

 /*jslint nomen: true*/
-/*global Blob*/
+/*global Blob, jiodate*/
 (function (jIO, QUnit, Blob) {
   "use strict";
   var test = QUnit.test,
@@ -27,6 +27,7 @@
   test("create substorage", function () {
     var jio = jIO.createJIO({
       type: "query",
+      schema: {'date': {type: 'string', format: 'date-time'}},
       sub_storage: {
         type: "querystorage200"
       }
@@ -34,6 +35,13 @@
 
     ok(jio.__storage._sub_storage instanceof jio.constructor);
     equal(jio.__storage._sub_storage.__type, "querystorage200");
+    deepEqual(jio.__storage._key_schema.key_set, {
+      "date": {
+        "cast_to": "dateType",
+        "read_from": "date"
+      }
+    }, 'check key_schema');
+    ok(typeof jio.__storage._key_schema.cast_lookup.dateType === 'function');
 
   });
 
@@ -823,6 +831,99 @@
         });
     });
 
+  test("manual query used and use schema", function () {
+    stop();
+    expect(4);
+
+    function StorageSchemaCapacity() {
+      return this;
+    }
+    StorageSchemaCapacity.prototype.get = function (id) {
+      var doc = {
+        title: id,
+        id: "ID " + id,
+        "another": "property"
+      };
+      if (id === "foo") {
+        equal(id, "foo", "Get foo");
+        doc.modification_date = "Fri, 08 Sep 2017 07:46:27 +0000";
+      } else {
+        equal(id, "bar", "Get bar");
+        doc.modification_date = "Thu, 07 Sep 2017 18:59:23 +0000";
+      }
+      return doc;
+    };
+
+    StorageSchemaCapacity.prototype.hasCapacity = function (capacity) {
+      if ((capacity === "list")) {
+        return true;
+      }
+      return false;
+    };
+    StorageSchemaCapacity.prototype.buildQuery = function (options) {
+      deepEqual(options, {}, "No query parameter");
+      var result2 = [{
+        id: "foo",
+        value: {}
+      }, {
+        id: "bar",
+        value: {}
+      }];
+      return result2;
+    };
+
+    jIO.addStorage(
+      'querystoragenoschemacapacity',
+      StorageSchemaCapacity
+    );
+
+    var jio = jIO.createJIO({
+      type: "query",
+      schema: {
+        "modification_date": {
+          "type": "string",
+          "format": "date-time"
+        }
+      },
+      sub_storage: {
+        type: "querystoragenoschemacapacity"
+      }
+    });
+
+    jio.allDocs({
+      sort_on: [["modification_date", "descending"]],
+      limit: [0, 5],
+      select_list: ['modification_date']
+    })
+      .then(function (result) {
+        deepEqual(result, {
+          data: {
+            rows: [
+              {
+                id: "foo",
+                doc: {},
+                value: {
+                  modification_date: "Fri, 08 Sep 2017 07:46:27 +0000"
+                }
+              }, {
+                id: "bar",
+                doc: {},
+                value: {
+                  modification_date: "Thu, 07 Sep 2017 18:59:23 +0000"
+                }
+              }
+            ],
+            total_rows: 2
+          }
+        });
+      })
+      .fail(function (error) {
+        ok(false, error);
+      })
+      .always(function () {
+        start();
+      });
+  });
   /////////////////////////////////////////////////////////////////
   // queryStorage.repair
   /////////////////////////////////////////////////////////////////